CN111004878B - Pure device of electric stove sediment water - Google Patents
Pure device of electric stove sediment water Download PDFInfo
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- CN111004878B CN111004878B CN201911291340.3A CN201911291340A CN111004878B CN 111004878 B CN111004878 B CN 111004878B CN 201911291340 A CN201911291340 A CN 201911291340A CN 111004878 B CN111004878 B CN 111004878B
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- crushing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/066—Receptacle features where the slag is treated
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention discloses an electric furnace slag water crushing device. The electric furnace slag water crushing device comprises a main shell, a crushing and cooling unit, a heat exchange unit and a dehydration unit, and is compact in structure, simple and reliable. The main shell is provided with a water cavity and a main feeding hole which is positioned below the liquid level, the crushing and cooling unit is used for crushing and cooling the liquid steel slag from the main feeding hole, and the crushing and cooling process is positioned below the liquid level, so that the generation of water vapor can be effectively controlled; moreover, the heat exchange unit controls the water temperature of the water cavity, and further controls the generation of steam; and the dehydration unit dehydrates the water-quenched slag deposited at the bottom of the water cavity, so as to obtain dehydrated finished steel slag. Therefore, the generation of water vapor can be effectively reduced, and the aims of water saving and emission reduction are fulfilled.
Description
Technical Field
The invention relates to a steel slag treatment technology, in particular to an electric furnace slag water crushing device.
Background
With the annual increase of the steel yield in China, the production amount of steel slag is increased. The steel slag is discarded, so that not only is the waste of metal iron resources caused, but also the environmental pollution is caused. The steel slag is randomly piled up, so that a large amount of land resources are occupied, and the surrounding soil and water systems are damaged.
At present, the high-temperature liquid electric furnace slag is treated in a plurality of modes, including a slag discarding process, a furnace front water quenching process, a tank-water tank tilting process and the like. The slag discarding process is to directly pour high-temperature liquid electric furnace slag into a slag yard and pour water into the slag yard for cooling, and has the disadvantages of large occupied land area, poor labor condition, long treatment period and serious environmental pollution; the water quenching process in front of the furnace is to arrange a water quenching device in front of the electric furnace, the water quenching device is provided with a funnel, a slag chute and a spray pipe, when the electric furnace is used for deslagging, the device is hung under an electric furnace operating platform, liquid electric furnace slag exchanges heat with water in the slag chute through the funnel, water quenching is carried out, the electric furnace slag after water quenching rushes into a slag flushing pool in front of the furnace, the process can not stably control the flow of the liquid slag, small explosion can be generated, the steam discharge amount is large, and the influence of the electric furnace production is large. The tank tilting-water pool process is characterized in that liquid high-temperature electric furnace slag in a steel containing barrel is poured into a slag tank on an automatic slag tilting vehicle, the slag vehicle automatically runs to the side of a water quenching pool outside a workshop, and the tilting slag tank is subjected to water quenching.
Therefore, the pure device of electric furnace slag water with compact structure, water saving and emission reduction is provided, and the technical problem to be solved in the prior art is solved.
Disclosure of Invention
One embodiment of the present invention provides an electric furnace slag water crushing device, including:
a main housing having a water chamber and a main feed inlet located below the liquid level;
the crushing and cooling unit is arranged at the lower part of the main feeding hole, and is used for crushing and cooling the electric furnace slag from the main feeding hole below a liquid level to form water-quenched slag;
the heat exchange unit is used for controlling the water temperature in the water cavity;
and the dehydration unit is connected to the bottom of the water cavity and is used for dehydrating the water quenching slag deposited at the bottom of the water cavity.
Optionally, further comprising:
a feed chute having a feed channel, and a top inlet and a bottom outlet exposing the feed channel, and wherein the bottom outlet is connected to the main feed inlet and the top inlet is above the liquid level.
Optionally, the diameter of the top inlet is greater than the diameter of the bottom outlet.
Optionally, the crushing cooling unit comprises:
the high-speed spray head is arranged at the bottom of the main feed port;
and the water inlet side of the high-speed water pump is communicated between the water level of the water cavity and the deposition material level through a pipeline, and the water outlet side of the high-speed water pump is connected with the high-speed spray head through a pipeline.
Optionally, further comprising a slag flushing chute, said slag flushing chute comprising:
the side plates in pair are arranged on two sides of the high-speed spray head at intervals along a water spraying path of the high-speed spray head;
the top plate is spliced between the top edges of the paired side plates, and is positioned above the main feed port and below the liquid level.
Optionally, the heat exchange unit comprises:
the heat exchange tube is arranged in the water cavity and is positioned below the liquid level;
and the water collecting pipes are connected to the water inlet side and the water outlet side of the heat exchange pipe in pairs, and are provided with outer connectors extending out of the main shell.
Optionally, the dewatering unit comprises:
the slag suction pump is communicated with the bottom of the water cavity through a pipeline;
and the dehydrator is used for dehydrating the water quenching slag from the slag suction pump.
Optionally, the dehydrator comprises:
the dehydrator comprises a dehydrator shell, a water quenching slag inlet, a water outlet and a discharge hole, wherein the dehydrator shell is provided with a dehydration cavity which is horizontally arranged, and a water quenching slag inlet, a water outlet and a discharge hole which are communicated with the dehydration cavity, the water quenching slag inlet is arranged at the top of one end of the dehydrator shell, the discharge hole is arranged at the bottom of the other end of the dehydrator shell, and the water outlet is arranged at the bottom of the dehydrator shell between the water quenching slag inlet and the discharge hole;
the pushing screw rod penetrates through the dewatering cavity to be arranged at two ends of the dewaterer shell, is provided with an external thread for pushing from one end of the water quenching slag inlet to one end of the discharge hole, and gradually increases the inner diameter from one end of the water quenching slag inlet to one end of the discharge hole;
and the driving device is in transmission connection with the material pushing screw rod.
Optionally, an outlet of the water outlet is in communication with the water chamber.
Optionally, the drive means comprises a reduction motor.
Therefore, the electric furnace slag water purification device provided by the invention comprises a main shell, a crushing and cooling unit, a heat exchange unit and a dehydration unit, and is compact in structure, simple and reliable. The main shell is provided with a water cavity and a main feeding hole which is positioned below the liquid level, the crushing and cooling unit is used for crushing and cooling the liquid steel slag from the main feeding hole, and the crushing and cooling process is positioned below the liquid level, so that the generation of water vapor can be effectively controlled; moreover, the heat exchange unit controls the water temperature of the water cavity, and further controls the generation of steam; and the dehydration unit dehydrates the water-quenched slag deposited at the bottom of the water cavity to obtain dehydrated finished steel slag. Therefore, the generation of water vapor can be effectively reduced, and the aims of water saving and emission reduction are achieved.
Drawings
The following drawings are merely illustrative and explanatory of the invention and do not limit the scope of the invention.
Fig. 1 is a side perspective view of an electric slag crushing apparatus according to an embodiment of the present invention;
fig. 2 is a top view of an electric slag crushing apparatus according to an embodiment of the present invention;
fig. 3 is a front perspective view of an electric slag water reducing apparatus according to an embodiment of the present invention.
Description of the reference symbols
100 pure device of electric stove sediment water
110 main casing
111 water chamber
112 main feed inlet
120 crushing and cooling unit
121 high-speed spray head
122 high-speed water pump
130 heat exchange unit
131 heat exchanging pipe
132 water collecting pipe
140 dewatering unit
141 slag suction pump
142 water separator
1421 dehydrator casing
14211 dehydration cavity
14212 inlet for water-quenched slag
14213 Water outlet
14214 discharge hole
1422 pushing screw
14221 external thread
1423 driving device
150 feeding chute
151 top inlet
152 bottom outlet
160 slag flushing chute
161 side plate
162 Top plate
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which like reference numerals refer to like parts throughout.
"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.
For the sake of simplicity, the drawings are only schematic representations of the parts relevant to the invention, and do not represent the actual structure of the product. Moreover, in the interest of brevity and understanding, only one of the components having the same structure or function is illustrated schematically or designated in some of the drawings.
In this document, "first", "second", and the like are used only for distinguishing one from another, and do not indicate the degree and order of importance, the premise that each other exists, and the like.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples.
Fig. 1 is a side perspective view of an electric slag crushing apparatus according to an embodiment of the present invention; fig. 2 is a top view of an electric slag cooling apparatus according to an embodiment of the present invention; fig. 3 is a front perspective view of an electric slag crushing apparatus according to an embodiment of the present invention.
Referring to fig. 1, 2, and 3, an embodiment of the present application provides an electric slag quenching apparatus 100, including: a main housing 110, a crushing cooling unit 120, a heat exchange unit 130, and a dehydration unit 140.
The main shell 110 is provided with a water cavity 111 and a main feed inlet 112 positioned below the liquid level, the water cavity 111 is filled with water used in the water crushing process, and the liquid level refers to the liquid level of the water; the crushing and cooling unit 120 is arranged at the lower part of the main feed port 112, and the crushing and cooling unit 120 crushes and cools the electric furnace slag from the main feed port 112 below the liquid level to form water quenched slag which is deposited at the bottom of the water cavity 111; the heat exchange unit 130 is used for controlling the temperature of water in the water cavity 111; the dehydration unit 140 is connected to the bottom of the water cavity 111 and dehydrates the water-quenched slag deposited at the bottom of the water cavity 111, and the dehydrated water-quenched slag forms finished steel slag to enter a subsequent process or be discharged.
In the present embodiment, the upper half portion of the main housing 110 is rectangular, the lower half portion is a trapezoid structure with a wide top and a narrow bottom, and the two sides of the main housing 110 have supporting legs to enhance stability. The heat exchange unit 130 controls the temperature of water in the water chamber 111 to be within 40 ℃.
As can be seen from the above, the electric furnace slag water culture device 100 provided in this embodiment includes a main housing 110, a crushing and cooling unit 120, a heat exchange unit 130, and a dehydration unit 140, and is compact, simple and reliable in structure. The main shell 110 is provided with a water cavity 111 and a main feed inlet 112 below the liquid level, the crushing and cooling unit 120 crushes and cools the liquid steel slag from the main feed inlet 112, and the crushing and cooling process is below the liquid level, so that the generation of water vapor can be effectively controlled; moreover, the heat exchange unit 130 controls the water temperature of the water cavity 111, and further controls the generation of steam; the dehydration unit 140 performs dehydration treatment on the water-quenched slag deposited at the bottom of the water cavity 111, thereby obtaining dehydrated finished steel slag. Therefore, the generation of water vapor can be effectively reduced, and the aims of water saving and emission reduction are fulfilled.
Referring to fig. 1 in combination with fig. 2, in order to facilitate feeding, the electric slag crushing apparatus 100 further includes: a feed chute 150.
Wherein the feed chute 150 has a feed channel (not shown), and a top inlet 151 and a bottom outlet 152 exposing the feed channel, and wherein the bottom outlet 152 is connected to the main feed opening 112 and the top inlet 151 is located above the liquid level.
In this embodiment, the feeding chute 150 is funnel-shaped, and the feeding chute 150 is fixed to the top of the side edge of the main housing 110. The bottom outlet 152 is the main feed inlet 112 for simplicity of construction. Preferably, the diameter of the top inlet 151 is larger than the diameter of the bottom outlet 152.
Referring to fig. 1 in conjunction with fig. 3, in order to achieve rapid crushing and cooling of the molten steel slag, the crushing and cooling unit 120 includes: a high-speed spray head 121 and a high-speed water pump 122.
Wherein, the high-speed spray head 121 is arranged at the bottom of the main feed port 112, and the high-speed spray head 121 is made of high-temperature resistant and wear resistant alloy steel; the water inlet side of the high-speed water pump 121 is communicated between the water level of the water cavity 111 and the deposition material level through a pipeline, and the water outlet side is connected with the high-speed spray head 121 through a pipeline.
The higher temperature of the molten steel slag, above about 1400 c, results in a higher local temperature at the main feed opening 112. The cooling water sprayed from the high-speed nozzle 121 cools and crushes the molten steel slag rapidly and stirs the water molten slag at the main feed inlet 112, thereby achieving the effect of rapid cooling. Due to the control of the heat exchange unit 130 on the water temperature in the water cavity 111, the water inlet side of the high-speed water pump 121 is located in the area where the opening of the main shell 110 is far away from the main feed inlet 112 as much as possible, so that the water inlet of the high-speed water pump 121 can be ensured to be cooled water; and, the side of intaking sets up between water level and deposit the material level at main casing 110's casing, can effectively prevent that the hardening slag from getting into high-speed water pump 121 and causing the jam. Preferably, the water inlet side is disposed at the rear side of the opening of the main housing 110 on the water spray path of the high-speed shower head 121. The cooling water of the crushing cooling unit 120 is supplied from the water chamber 111, and thus the water consumption of the apparatus is further effectively reduced.
In order to prevent the water-quenched slag crushed by the high-speed nozzle 121 from splashing, the electric slag crushing apparatus 100 further includes a slag flushing chute 160, and the slag flushing chute 160 includes: side panels 161 and a top panel 162.
Wherein, the paired side plates 161 are arranged at intervals on both sides of the high-speed spray head 121 along the water spray path of the high-speed spray head 121; the top plate 162 is spliced between the top edges of the pair of side plates 161, and the top plate 162 is located above the main feed opening 112 and below the liquid level.
Referring to fig. 1 in conjunction with fig. 2 and 3, in order to control the temperature of the water in the water chamber 111, the heat exchange unit 130 includes: a heat exchange pipe 131 and a header pipe 132.
Wherein the heat exchange tube 131 is arranged in the water cavity 111 and below the liquid level; the water collecting pipes 132 are connected in pairs to the water inlet side and the water outlet side of the heat exchanging pipe 131, and the water collecting pipes 132 have outer taps protruding out of the main housing 111.
An external water pump is connected to an external port of the water collecting pipe 132 connected to the water inlet side of the heat exchange pipe 131, a cold source is pumped into the heat exchange pipe 131 by the external water pump, and the cold source can be cold water in a plant area; the cold water passing through the heat exchange tube 131 discharges the heat in the water cavity 111 through an external port of the water collecting tube 132 connected to the water outlet side of the heat exchange tube 131, wherein the cold water is changed into hot water with higher temperature after heat exchange, and the hot water can be used for drying finished steel slag in subsequent processes or other devices needing hot water in a plant area. Therefore, the heat of the molten steel slag can be recycled, and the waste of energy is prevented.
It is to be understood that although the heat exchange unit 130 in the present embodiment is in a form similar to a tube heat exchanger, the present application does not exclude other forms of heat exchangers, such as a plate heat exchanger or a fin heat exchanger.
Referring to fig. 3 in conjunction with fig. 2 and 1, in order to perform the dewatering operation on the water granulated slag, the dewatering unit 140 includes: a slag suction pump 141 and a dehydrator 142.
Wherein, the slag suction pump 141 is communicated with the bottom of the water cavity 111 through a pipeline; the dehydrator 142 dehydrates the water-quenched slag from the slag suction pump 141, and the dehydrated finished steel slag is discharged outside, and the dehydrated water can flow back to the water cavity 111, thereby being beneficial to saving water.
Further, dehydrator 142 includes: a dehydrator casing 1421, a pushing screw 1422, and a driving device 1423.
The dehydrator casing 1421 has a horizontally arranged dehydration chamber 14211, and a water quenching slag inlet 14212, a water outlet 14213, and a discharge port 14214 communicating with the dehydration chamber 14211, wherein the water quenching slag inlet 14212 is opened at the top of one end of the dehydrator casing 1421, the discharge port 14214 is opened at the bottom of the other end of the dehydrator casing 1421, and the water outlet 14213 is opened at the bottom of the dehydrator casing 1421 between the water quenching slag inlet 14212 and the discharge port 14214. Preferably, the diameter of the water outlet 14213 is smaller than the particle size of the water granulated slag.
The pushing screw 1422 penetrates through the dehydration cavity 14211 to be installed at both ends of the dehydrator housing 1421, the pushing screw 1422 has an external thread 14221 for pushing material from one end of the quenching slag inlet 14212 to one end of the discharge port 14214, and the inner diameter of the pushing screw 1422 is gradually increased from one end of the quenching slag inlet 14212 to one end of the discharge port 14214; the driving device 1423 is in transmission connection with the pushing screw 1422.
It can be understood that when the driving device 1423 drives the pushing screw 1422 to rotate in the first direction, the external thread 14221 pushes the water-quenched slag from the water-quenched slag inlet 14212 toward the discharge port 14214, and since the internal diameter of the pushing screw 1422 gradually increases from one end of the water-quenched slag inlet 14212 to one end of the discharge port 14214, the water-quenched slag is gradually squeezed by the stripping screw 1422 while moving toward the discharge port 14214, thereby implementing the water-quenched slag dewatering operation.
Preferably, in order to achieve water saving and emission reduction of the device, the outlet of the water outlet 14213 is communicated with the water cavity 111. The drive unit 1423 includes a reduction motor.
In order to realize the automatic control of the apparatus, the electric furnace slag water crushing apparatus 100 further comprises a detection and control system (not shown in the figure). Wherein, detection and control system includes:
a signal detection unit for controlling and detecting the water temperature, liquid level and material level in the water cavity 111, and the flow rate and temperature of the molten steel slag;
the PLC logic control unit is used for responding to the control parameter signals from the signal detection unit and sending rotating speed control signals to the high-speed water pump 122, the slag suction pump 141, the driving device 1423 and the water pumps of the heat exchange unit 130;
and the upper computer is used for presenting the control parameters from the signal detection unit in real time and can also be used for realizing the active control of an operator.
The signal detection unit comprises a water cavity thermometer, a liquid level meter, a material level meter, a flow meter for measuring molten steel slag and a steel slag thermometer.
The detection and control system further comprises:
the transmitting unit is used for realizing signal conversion between the signal detection unit and the PLC logic control unit;
and the interaction unit is used for realizing interaction between the PLC logic control unit and the high-speed water pump 122, the slag suction pump 141, the driving device 1423 and the water pump of the heat exchange unit 130, and realizing active control between the upper computer and the PLC logic control unit.
The above-listed detailed description is only a specific description of possible embodiments of the present invention and is not intended to limit the scope of the present invention, and equivalent embodiments or modifications such as combinations, divisions or repetitions of features, which do not depart from the technical spirit of the present invention, should be included in the scope of the present invention.
Claims (6)
1. The pure device of electric stove slag water which characterized in that includes:
the main shell is provided with a water cavity and a main feeding hole which is positioned below the liquid level;
the crushing and cooling unit is arranged at the lower part of the main feeding hole, and crushes and cools the electric furnace slag from the main feeding hole below a liquid level to form water-quenched slag;
the heat exchange unit is used for controlling the water temperature in the water cavity;
the dehydration unit is connected to the bottom of the water cavity and is used for dehydrating the water quenching slag deposited at the bottom of the water cavity;
the dehydration unit includes:
the slag suction pump is communicated with the bottom of the water cavity through a pipeline;
the dehydrator is used for dehydrating the water quenching slag from the slag suction pump;
the crushing cooling unit includes:
the high-speed spray head is arranged at the bottom of the main feed port;
the water inlet side of the high-speed water pump is communicated between the water level of the water cavity and the deposition material level through a pipeline, and the water outlet side of the high-speed water pump is connected with the high-speed spray head through a pipeline;
the heat exchange unit comprises:
the heat exchange tube is arranged in the water cavity and is positioned below the liquid level;
the water collecting pipes are connected to the water inlet side and the water outlet side of the heat exchange pipes in pairs, and the water collecting pipes are provided with outer connectors extending out of the main shell;
the dehydrator includes:
the dehydrator comprises a dehydrator shell, a water quenching slag inlet, a water outlet and a discharge port, wherein the dehydrator shell is provided with a dehydration cavity which is horizontally arranged, and a water quenching slag inlet, a water outlet and a discharge port which are communicated with the dehydration cavity, the water quenching slag inlet is arranged at the top of one end of the dehydrator shell, the discharge port is arranged at the bottom of the other end of the dehydrator shell, and the water outlet is arranged at the bottom of the dehydrator shell between the water quenching slag inlet and the discharge port;
the pushing screw rod penetrates through the dewatering cavity to be arranged at two ends of the dewaterer shell, is provided with an external thread for pushing from one end of the water quenching slag inlet to one end of the discharge hole, and gradually increases the inner diameter from one end of the water quenching slag inlet to one end of the discharge hole;
and the driving device is in transmission connection with the material pushing screw rod.
2. The electric slag quenching apparatus as claimed in claim 1, further comprising:
a feed chute having a feed channel, and a top inlet and a bottom outlet exposing the feed channel, and wherein the bottom outlet is connected to the main feed inlet and the top inlet is above the liquid level.
3. The electric slag water chiller as claimed in claim 2 wherein the diameter of the top inlet is greater than the diameter of the bottom outlet.
4. The electric furnace slag water pure device of claim 1, further comprising a slag flushing chute, the slag flushing chute comprising:
the side plates in pairs are arranged on two sides of the high-speed spray head at intervals along a water spraying path of the high-speed spray head;
the top plate is spliced between the top edges of the paired side plates, and is positioned above the main feed port and below the liquid level.
5. The electric slag quenching apparatus as claimed in claim 1, wherein the outlet of the water outlet is connected to the water chamber.
6. The electric slag crushing device of claim 1, wherein the driving device comprises a speed reduction motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911291340.3A CN111004878B (en) | 2019-12-16 | 2019-12-16 | Pure device of electric stove sediment water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911291340.3A CN111004878B (en) | 2019-12-16 | 2019-12-16 | Pure device of electric stove sediment water |
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| Publication Number | Publication Date |
|---|---|
| CN111004878A CN111004878A (en) | 2020-04-14 |
| CN111004878B true CN111004878B (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911291340.3A Active CN111004878B (en) | 2019-12-16 | 2019-12-16 | Pure device of electric stove sediment water |
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| CN114058748B (en) * | 2021-09-30 | 2023-03-28 | 临沂鑫海新型材料有限公司 | Electric furnace slag water quenching device for smelting ferronickel by using RKEF method and use method thereof |
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| CN206173369U (en) * | 2016-11-30 | 2017-05-17 | 中冶华天工程技术有限公司 | Blast furnace slag water cooling and waste heat recovery device |
| CN106906321A (en) * | 2017-05-08 | 2017-06-30 | 安徽工业大学 | A kind of Treating Methods for BF Slag and device that can directly obtain the dry slag of high temperature |
| CN107083460A (en) * | 2017-05-18 | 2017-08-22 | 中冶节能环保有限责任公司 | A kind of blast furnace slag quenching water heat-exchanger rig of body structure |
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| CN111004878A (en) | 2020-04-14 |
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